This set includes 10 rolls of clear elastic string, each approximately 0.4mm in diameter and 65 feet (20 meters) long. Made from elastic fiber, these cords feature a crystal-clear appearance that enhances the beauty of jewelry pieces while remaining discreet within beads. The strong and stretchy material is resistant to breaking and can easily pass through small beads, making it suitable for creating bracelets, necklaces, and other jewelry designs. The elastic cords are conveniently stored on plastic rolls, helping to keep them organized and tangle-free. Ideal for use with seed beads, letter beads, polymer clay beads, pony beads, and more, these elastic strings are essential supplies for jewelry makers. Their durability and flexibility make them perfect for bead weaving, stringing heavier beads, and crafting various jewelry projects. A versatile and reliable choice for both beginners and experienced jewelry enthusiasts.